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. Author manuscript; available in PMC: 2014 May 20.
Published in final edited form as: J Opt Soc Am A Opt Image Sci Vis. 2014 Feb 1;31(2):312–321. doi: 10.1364/JOSAA.31.000312

Fig. 2.

Fig. 2

(a) An uncompressed image. (b) Artifacts after jpg compression: (1) grid-like pattern along block boundaries, (2) blurring due to quantization, (3) color artifacts, (4) jagged object boundaries. Photo credit: Dr. Hany Farid. Used with permission. See [3] for full resolution images.